Midnight (Warriors: The New Prophecy, Book 1) - Erin Hunter

Darkness, air, water, and sky will come together... and shake the forest to its roots.

The next generation of warrior cats faces a peril that threatens the whole forest in this exciting spin–off series starring the children of the original Warriors heroes.

Packed with riveting suspense, compelling new characters, and classic themes of epic fantasy, this is an adventure not to be missed for both fans of the previous six books and readers unfamiliar with the world of the warrior Clans.